Granite County, MT: Current UV Index and Hourly Forecast

As of 12:19 PM MDT on August 30, 2025, all 4 cities in Granite County, MT in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Drummond, MT with a reading of 5.9.

Over the next 24 hours, the highest UV Index reading in Granite County, MT is expected to be 6 in Drummond between 1:00 PM - 2:00 PM MDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Granite County, MT as of 12:19 PM MDT, August 30, 2025

Current UV Index in Cities in Granite County, MT

12:19 PM MDT, August 30, 2025